User:Cbernhar: Difference between revisions
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* Date issued: August 18, 1986 | * Date issued: August 18, 1986 | ||
** The idea behind this patent was to create a device which could clean the bottom of a boat hull without necessitating lifting the boat out of the water or diving underneath while it is still in the water. | * * The idea behind this patent was to create a device which could clean the bottom of a boat hull without necessitating lifting the boat out of the water or diving underneath while it is still in the water. | ||
Revision as of 15:50, 24 January 2011
Homework 1: Finding a Patent
- Patent 4781139: One man manual boat hull cleaning device
- Date issued: August 18, 1986
- * The idea behind this patent was to create a device which could clean the bottom of a boat hull without necessitating lifting the boat out of the water or diving underneath while it is still in the water.
